f2fs: refresh recent accessed nat entry in lru list
authorChao Yu <yuchao0@huawei.com>
Sun, 5 Aug 2018 15:08:59 +0000 (23:08 +0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Mon, 13 Aug 2018 17:48:17 +0000 (10:48 -0700)
commit22969158083c9e5c92f66718dde1a372baa1a49d
tree6a5f4a7921b9bca47068352fc0b6cdb92f49bd06
parenta33c150237a20d97a174243bc658c86502f9d370
f2fs: refresh recent accessed nat entry in lru list

Introduce nat_list_lock to protect nm_i->nat_entries list, and manage
it as a LRU list, refresh location for therein recent accessed entries
in the list.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/f2fs.h
fs/f2fs/node.c